Height adjustable desk



FIG. 1 is a perspective view for a height adjustable desk, showing mynew design;

FIG. 2 is a perspective thereof shown in an extended position;

FIG. 3 is a perspective view thereof showing the keyboard tray in analternate position of use;

FIG. 4 is a perspective view thereof showing the keyboard tray in asecond alternate position of use;

FIG. 5 is a front view of FIG. 2

FIG. 6 is a bottom view thereof;

FIG. 7 is a top view thereof;

FIG. 8 is a rear side view thereof;

FIG. 9 is a left side view thereof; and,

FIG. 10 is a right side view thereof.

CLAIM The ornamental design for a height adjustable desk, as shown anddescribed.